Particle size: 6mm to 8mm for domestic and small scale systems, 10-12 mm for larger systems
Moisture content: less than 10%
Calorific value: less than 4.7kWh/kg
Ash content: 1% to 3%
Bulk density: less than 600 kg/m
Sulfur content: less than 300 ppm
Chlorine: less than: 800ppm
